42444741 has 16 divisors (see below), whose sum is σ = 58319360. Its totient is φ = 27442800.

The previous prime is 42444739. The next prime is 42444751. The reversal of 42444741 is 14744424.

It is not a de Polignac number, because 42444741 - 2¹ = 42444739 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42444699 and 42444708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42444751) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18390 + ... + 20568.

It is an arithmetic number, because the mean of its divisors is an integer number (3644960).

Almost surely, 2^42444741 is an apocalyptic number.

It is an amenable number.

42444741 is a deficient number, since it is larger than the sum of its proper divisors (15874619).

42444741 is a wasteful number, since it uses less digits than its factorization.

42444741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2376.

The product of its digits is 14336, while the sum is 30.

The square root of 42444741 is about 6514.9628548442. The cubic root of 42444741 is about 348.8252889187.

The spelling of 42444741 in words is "forty-two million, four hundred forty-four thousand, seven hundred forty-one".